XML 59 R49.htm IDEA: XBRL DOCUMENT v3.7.0.1
Reconciliation of Earnings Per Share (EPS) - Earnings Per Share Reconciliation (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net Income (Loss), Basic EPS $ 29,481 $ 36,759 $ 62,884 $ (166,357)
Basic Average Common Shares Outstanding (in shares) 97,189 97,067 97,165 91,850
Earnings Per Share, Basic (in dollars per share) $ 0.30 $ 0.38 $ 0.65 $ (1.81)
Effect of dilutive securities        
Net Income (Loss), Diluted EPS $ 29,481 $ 36,759 $ 62,884 $ (166,357)
Diluted Average Common Shares Outstanding (in shares) 97,693 97,389 97,648 91,850
Diluted EPS (in dollars per share) $ 0.30 $ 0.38 $ 0.64 $ (1.81)
Stock options        
Effect of dilutive securities        
Effect of dilutive securities (in shares) 24 11 26 0
Non-vested restricted stock        
Effect of dilutive securities        
Effect of dilutive securities (in shares) 287 184 275 0
Performance share awards        
Effect of dilutive securities        
Effect of dilutive securities (in shares) 193 127 182 0